Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

What is Flume event?

What are possible types of Channel Selectors?

103

What are the complicated steps in Flume configurations?

144

What is Flume Client?

Can flume provide 100% reliability to the data flow?

What are use cases of Apache Flume?

can you explain about configuration files?

What is Streaming / Log Data?

Why Flume?

180

What is flume agent?

What is FlumeNG?

Is there any difference between FileSink and FileRollSink?

Agent communicate with other Agents?

Explain Reliability and Failure Handling in Apache Flume?

106

Any two Limitations of Flume?

Un-Answered Questions { Big Data }

How to Write a UDF function in Hive?

699

What is session in Cassandra?

157

Explain the term commitlog?

Explain what does the conf.setMapper Class do in MapReduce?

653

Explain how do ‘map’ and ‘reduce’ work?

607

How data or file is written into Hadoop HDFS?

What is the ZooKeeper ensemble?

What do you understand by the term Straggler ?

686

What is meant by in-memory processing in Spark?

304

What is the difference between logical and physical plans?

554

When does the queue full exception emerge inside the manufacturer?

503

What does map transformation do? Provide an example.

316

What is a heartbeat in HDFS?

917

What is the use of dataframe in spark?

292

Can you explain data versioning?

172

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